fix(jdbc): include managed drivers in offline bundles

.github/workflows/agents-release.yml

@@ -969,6 +969,11 @@ jobs:
         with:
           token: ${{ steps.release-token.outputs.token }}
           fetch-depth: 0
+      - uses: actions/setup-java@v4
+        with:
+          distribution: temurin
+          java-version: "21"
+      - uses: gradle/actions/setup-gradle@v4
       - uses: actions/download-artifact@v4
         with:
           path: artifacts
@@ -1172,9 +1177,22 @@ jobs:
           echo "=== agent-registry.json ==="
           cat release/agent-registry.json
 
+      - name: Build managed JDBC offline payload
+        shell: bash
+        run: |
+          ./plugins/jdbc/package.sh
+          JDBC_VERSION="$(sed -nE "s/^version[[:space:]]*=[[:space:]]*'([^']+)'.*/\1/p" plugins/jdbc/build.gradle | head -n 1)"
+          node agents/scripts/build_offline_jdbc_payload.mjs \
+            release \
+            "plugins/jdbc/dist/dbx-jdbc-plugin-${JDBC_VERSION}.zip" \
+            "plugins/jdbc/dist/dbx-jdbc-plugin-${JDBC_VERSION}/bin/dbx-maven-resolver"
+
       - name: Build offline ZIP bundles
         run: bash agents/scripts/build_offline_zip.sh release
 
+      - name: Verify managed JDBC assets in all offline ZIPs
+        run: node agents/scripts/verify_offline_jdbc_release.mjs release
+
       - name: Build single-driver packages
         run: |
           python3 agents/scripts/build_driver_zips.py release --cleanup-sources